corn: Corn yield data

cornR Documentation

Corn yield data

Description

Hoshmand (2006) described a split plot design to test grain yield of corn with respect to corn hybrids (split plots) and nitrogen (in whole plots). The experiment was replicated at two blocks.

Usage

data(corn)

Format

A data frame with 40 observations on the following 4 variables.

yield

Corn yield in bushels per acre.

hybrid

Type of hybrid, P = pioneer, levels were: A632xLH38 LH74xLH51 Mo17xA634 P3732 P3747.

N

Nitrogen addition in lbs/acre 0 70 140 210.

block

A blocking factor with levels 1 2.

Source

Hoshmand, A. R. (2006) Design of Experiments for Agriculture and the Natural Sciences 2nd Edition. Chapman and Hall.


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